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Table B33a. Results (pg/g [pptr] wet weight) of triplicate analyses for 2,3,7,8-substituted PCDD congeners in tautog muscle composites (Station TA1; nd = <MDL)
Composite
#
Congener
2,3,7,8-
TCDD
1,2,3,7,8-
PeCDD
1,2,3,4,7,8-
HxCDD
1,2,3,6,7,8-
HxCDD
1,2,3,7,8,9-
HxCDD
1,2,3,4,6,7,8-
HpCDD
OCDD
144 nd nd nd nd nd nd nd
144-dup. nd nd nd nd nd nd nd
144-trip.a              
Mean              
Std. dev.              
RPDb              
 
MDL 1.6 7.3 3.1 3.4 11 6.5 4.0

aTriplicate results not included due to 8-fold dilution required for analysis. RPD reported instead.
bRPD (relative percent difference) for duplicate analyses = (100 x absolute value for range)/mean.


Table B33b. Results (pg/g [pptr] wet weight) of triplicate analyses for 2,3,7,8-substituted PCDF congeners in tautog muscle composites (Station TA1; nd = <MDL)
Composite
#
Congener
2,3,7,8-
TCDFa
1,2,3,7,8-
PeCDF
2,3,4,7,8-
PeCDF
1,2,3,4,7,8-
HxCDF
1,2,3,6,7,8-
HxCDF
1,2,3,7,8,9-
HxCDF
2,3,4,6,7,8-
HxCDF
1,2,3,4,6,7,8-
HpCDF
1,2,3,4,7,8,9-
HpCDF
OCDF
144 1.7 nd nd nd nd nd nd nd nd nd
144-dup. 1.4 nd nd nd nd nd nd nd nd nd
144-trip.b                    
Mean 1.6                  
Std. dev. 0.2                  
RPDc 19.1                  
 
MDL 1.1 7.7 8.7 4.1 2.5 10 4.0 5.7 12 28
aValue for 2,3,7,8-TCDF in Batch 3 is taken from "DB-Dioxin" second-column confirmation.
bTriplicate results not included due to 8-fold dilution required for analysis. RPD reported instead.
cRPD (relative percent difference) for duplicate analyses = (100 x absolute value for range)/mean.

Table B34

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(Modified Jun. 13 2008)